Model: 232-31563-1

Internal Wrenching Bolt

Special Features:

Three 0.040 in. Wide by 0.029 in. Deep splines in shank and 120 degrees apart, thread to be double lead

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.480 inches

Fastener Length

0.770 inches

Head Style

Flat countersunk

Head Diameter

Between 0.360 inches and 0.399 inches

First Diameter From Head

Between 0.201 inches and 0.209 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.200 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.156 inches and 0.159 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Externally Relieved Body Diameter Quantity

Material

Steel comp 8740 or steel comp 4140

Material Specification

Mil-s-6049 military specification 1st material response or mil-s-5626 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 type 2 class 2 federal specification single treatment response

Thread Series Designator

Unf

NSN

5306-01-140-9917

Part Number

232-31563-1

Description

Bolt,internal Wrenching

CAGE

81205

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 232-31563-1 NSN 5306-01-140-9917

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment